{
 "id": "maarten-altena-4e722b62",
 "name": "Maarten Altena",
 "kind": "person",
 "disambiguation": null,
 "identifiers": {
  "mbid": [
   "4e722b62-82c5-4a5d-98a7-89d62dcc1dd5"
  ],
  "wikidata": [
   "Q1882285"
  ],
  "isni": [
   "0000000055132140"
  ],
  "discogs": [
   "319388"
  ]
 },
 "aliases": [
  "Altena",
  "M. Altena",
  "M.V. Regteren-Altena",
  "M.V.R. Altena",
  "Maaarten van Regteren Altena",
  "Maarteen Van Regteren Altena",
  "Maarten Regteren Altena",
  "Maarten Van Regteben Altena",
  "Maarten Van Regteren Altena",
  "Maarten van Regeteren Altena",
  "Maarten van Regteben Altena",
  "Maarten van Regteren Altena",
  "Maarten van Regteren-Altena",
  "Marten Altena",
  "Martin van Regteren-Altena",
  "V. Regteren Altena",
  "Van R. Altena",
  "Van Regteren Altena",
  "v. Regteren Altena",
  "v. Regteren-Altena",
  "van R.Altena",
  "van Regteren Altena"
 ],
 "facts": {
  "area": {
   "status": "single_source",
   "values": [
    {
     "value": "Netherlands",
     "source": "musicbrainz",
     "source_record": "4e722b62-82c5-4a5d-98a7-89d62dcc1dd5",
     "retrieved": "2026-10-24",
     "ref": "ef1b7cc0-cd26-36f4-8ea0-04d9623786c7"
    }
   ]
  },
  "begin_date": {
   "status": "multi_source",
   "values": [
    {
     "value": "1943-01-22",
     "source": "musicbrainz",
     "source_record": "4e722b62-82c5-4a5d-98a7-89d62dcc1dd5",
     "retrieved": "2026-10-24",
     "precision": "day"
    },
    {
     "value": "1943-01-22",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "precision": "day",
     "source_cites_reference": true
    }
   ]
  },
  "begin_place": {
   "status": "multi_source",
   "values": [
    {
     "value": "Amsterdam",
     "source": "musicbrainz",
     "source_record": "4e722b62-82c5-4a5d-98a7-89d62dcc1dd5",
     "retrieved": "2026-10-24",
     "ref": "e8e317a1-268c-4e46-9db1-f10af959ffca"
    },
    {
     "value": "Amsterdam",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "ref": "Q727",
     "source_cites_reference": true
    }
   ]
  },
  "citizenship": {
   "status": "single_source",
   "values": [
    {
     "value": "Kingdom of the Netherlands",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "ref": "Q29999",
     "source_cites_reference": false
    }
   ]
  },
  "country": {
   "status": "single_source",
   "values": [
    {
     "value": "NL",
     "source": "musicbrainz",
     "source_record": "4e722b62-82c5-4a5d-98a7-89d62dcc1dd5",
     "retrieved": "2026-10-24"
    }
   ]
  },
  "description": {
   "status": "single_source",
   "values": [
    {
     "value": "Dutch composer and contrabassist (born 1943)",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06"
    }
   ]
  },
  "genre": {
   "status": "single_source",
   "values": [
    {
     "value": "jazz",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "ref": "Q8341",
     "source_cites_reference": true
    }
   ]
  },
  "instrument": {
   "status": "single_source",
   "values": [
    {
     "value": "double bass",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "ref": "Q80019",
     "source_cites_reference": false
    }
   ]
  },
  "member_of": {
   "status": "multi_source",
   "values": [
    {
     "value": "Maarten Altena Ensemble",
     "source": "musicbrainz",
     "source_record": "4e722b62-82c5-4a5d-98a7-89d62dcc1dd5",
     "retrieved": "2026-10-24",
     "ref": "d8591bf6-0443-4a0f-b7f0-49b6fc9ad171",
     "attributes": [
      "bass",
      "eponymous",
      "original"
     ]
    },
    {
     "value": "Company (2)",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:326370",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Vario 6",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:663658",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Vario II",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:663706",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Orkest De Volharding",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:970424",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Woorden",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:1199363",
     "data_quality": "Needs Vote"
    },
    {
     "value": "K'ploeng",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:1213109",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Maarten Altena Quartet",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:1238092",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Maarten Altena Octet",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:1252181",
     "data_quality": "Needs Vote"
    },
    {
     "value": "ICP Tentet",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:1706892",
     "data_quality": "Needs Vote"
    },
    {
     "value": "The Theo Loevendie Consort",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:1833215",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Willem Breuker Orchestra",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:1965208",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Maarten Altena Ensemble",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:1971380",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Heavy Soul Inc.",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:2403885",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Theo Loevendie Trio",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:2584107",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Nedley Elstak Trio",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:2584108",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Carl Schulze Trio",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:2584118",
     "data_quality": "Needs Vote"
    },
    {
     "value": "The Theo Loevendie Three",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:2771874",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Maarten Altena Nonet",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:3109930",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Misha Mengelberg Tentet",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:6977173",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Nordeuropäisches Melodie- Und Improvisationsorchester",
     "source": "discogs",
     "source_record": "319388",
     "retrieved": "2026-10-01",
     "ref": "discogs:7144760",
     "data_quality": "Needs Vote"
    }
   ]
  },
  "occupation": {
   "status": "single_source",
   "values": [
    {
     "value": "composer",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "ref": "Q36834",
     "source_cites_reference": true
    },
    {
     "value": "jazz musician",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "ref": "Q15981151",
     "source_cites_reference": false
    },
    {
     "value": "performing artist",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "ref": "Q713200",
     "source_cites_reference": false
    },
    {
     "value": "musician",
     "source": "wikidata",
     "source_record": "Q1882285",
     "retrieved": "2026-11-06",
     "ref": "Q639669",
     "source_cites_reference": true
    }
   ]
  }
 },
 "discography": [],
 "links": [
  {
   "kind": "VIAF",
   "url": "http://viaf.org/viaf/7577833"
  },
  {
   "kind": "allmusic",
   "url": "https://www.allmusic.com/artist/mn0000226517"
  },
  {
   "kind": "discogs",
   "url": "https://www.discogs.com/artist/319388"
  },
  {
   "kind": "discogs listed",
   "url": "http://www.altena.nl/"
  },
  {
   "kind": "free streaming",
   "url": "https://open.spotify.com/artist/3tLyc3qKJiE0LTN0YYA5K4"
  },
  {
   "kind": "official homepage",
   "url": "http://www.maartenaltena.nl"
  },
  {
   "kind": "other databases",
   "url": "http://id.loc.gov/authorities/names/n86867580"
  },
  {
   "kind": "other databases",
   "url": "https://catalogue.bnf.fr/ark:/12148/cb13935353c"
  },
  {
   "kind": "other databases",
   "url": "https://d-nb.info/gnd/134920384"
  },
  {
   "kind": "other databases",
   "url": "https://rateyourmusic.com/artist/maarten_altena"
  },
  {
   "kind": "other databases",
   "url": "https://www.worldcat.org/identities/lccn-n86867580"
  },
  {
   "kind": "wikidata",
   "url": "https://www.wikidata.org/wiki/Q1882285"
  },
  {
   "kind": "wikipedia",
   "url": "https://en.wikipedia.org/wiki/Maarten_Altena"
  }
 ],
 "citation": {
  "canonical_url": "https://musiciandictionary.com/artist/maarten-altena-4e722b62",
  "cite_as": "Maarten Altena, Musician Dictionary, https://musiciandictionary.com/artist/maarten-altena-4e722b62",
  "license": "CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/): free to use with credit",
  "sources": [
   {
    "name": "musicbrainz",
    "dump": "20261024-001001",
    "date": "2026-10-24",
    "license": "CC0 1.0 (core data; supplementary fields removed)"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-28T151314",
    "date": "2026-10-28",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-29T161131",
    "date": "2026-10-29",
    "license": "CC0 1.0"
   },
   {
    "name": "discogs",
    "dump": "20261001",
    "date": "2026-10-01",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-29T182648",
    "date": "2026-10-29",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-30T103005",
    "date": "2026-10-30",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-31T103005",
    "date": "2026-10-31",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-01T113005",
    "date": "2026-11-01",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-02T113003",
    "date": "2026-11-02",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-03T113003",
    "date": "2026-11-03",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-04T113007",
    "date": "2026-11-04",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-05T113005",
    "date": "2026-11-05",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-06T113005",
    "date": "2026-11-06",
    "license": "CC0 1.0"
   }
  ]
 }
}